package com.pospi.pai.yunpos.util;

import android.view.View;

import android.animation.ValueAnimator;

import android.content.Context;

import android.content.res.TypedArray;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.LinearGradient;

import android.graphics.Paint;

import android.graphics.Rect;

import android.graphics.RectF;

import android.graphics.Shader;

import android.util.AttributeSet;

import android.util.Log;

import android.view.View;

import com.pospi.pai.yunpos.R;


/**

 * 自定义圆形进度控件

 */

public class CircleProgressView extends View {
    /* 弧线宽度 */
    private float mArcWidth;
    /* 刻度个数 */
    private int mScaleCount;
    /* 渐变起始颜色 */
    private int mStartColor;
    /* 渐变终止颜色 */
    private int mEndColor;
    /* 渐变颜色数组 */
    private int[] mColorArray;
    /* 标签说明文本 */
    private String mLabelText;
    /* 文本颜色 */
    private int mTextColor;
    /* 百分比文本字体大小 */
    private float mProgressTextSize;
    /* 标签说明字体大小 */
    private float mLabelTextSize;


    /* 背景弧线画笔 */

    private Paint mArcBackPaint;

    /* 百分比值弧线画笔 */

    private Paint mArcForePaint;

    /* 刻度线画笔 */

    private Paint mLinePaint;

    /* 标签说明文本画笔 */

    private Paint mLabelTextPaint;

    /* 百分比文本画笔 */

    private Paint mProgressTextPaint;

    /* 弧线外切矩形 */

    private RectF mArcRectF;

    /* 测量文本宽高的矩形 */

    private Rect mTextRect;



    /* 百分比 */

    private float mProgress;

    /* 百分比对应角度 */

    private float mSweepAngle;



    public CircleProgressView(Context context) {

        this(context, null);

    }



    public CircleProgressView(Context context, AttributeSet attrs) {

        this(context, attrs, 0);

    }



    public CircleProgressView(Context context, AttributeSet attrs, int defStyleAttr) {

        super(context, attrs, defStyleAttr);

        TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.CircleProgressView, defStyleAttr, 0);

        mArcWidth = ta.getDimension(R.styleable.CircleProgressView_arcWidth, DensityUtils.dp2px(context, 8));

        mScaleCount = ta.getInteger(R.styleable.CircleProgressView_scaleCount, 24);

        mStartColor = ta.getColor(R.styleable.CircleProgressView_startColor, Color.parseColor("#3FC199"));

        mEndColor = ta.getColor(R.styleable.CircleProgressView_endColor, Color.parseColor("#3294C1"));

        mColorArray = new int[]{mStartColor, mEndColor};

        mLabelText = ta.getString(R.styleable.CircleProgressView_labelText);

        mTextColor = ta.getColor(R.styleable.CircleProgressView_textColor, Color.parseColor("#4F5F6F"));

        mProgressTextSize = ta.getDimension(R.styleable.CircleProgressView_progressTextSize, 160);

        mLabelTextSize = ta.getDimension(R.styleable.CircleProgressView_labelTextSize, 64);

        ta.recycle();



        mArcBackPaint = new Paint(Paint.ANTI_ALIAS_FLAG);

        mArcBackPaint.setStyle(Paint.Style.STROKE);

        mArcBackPaint.setStrokeWidth(mArcWidth);

        mArcBackPaint.setColor(Color.LTGRAY);



        mArcForePaint = new Paint(Paint.ANTI_ALIAS_FLAG);

        mArcForePaint.setStyle(Paint.Style.STROKE);

        mArcForePaint.setStrokeWidth(mArcWidth);



        mArcRectF = new RectF();



        mLinePaint = new Paint(Paint.ANTI_ALIAS_FLAG);

        mLinePaint.setStyle(Paint.Style.STROKE);

        mLinePaint.setColor(Color.WHITE);

        mLinePaint.setStrokeWidth(DensityUtils.dp2px(context, 2));



        mProgressTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG);

        mProgressTextPaint.setStyle(Paint.Style.FILL);

        mProgressTextPaint.setColor(mTextColor);

        mProgressTextPaint.setTextSize(mProgressTextSize);



        mLabelTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG);

        mLabelTextPaint.setStyle(Paint.Style.FILL);

        mLabelTextPaint.setColor(mTextColor);

        mLabelTextPaint.setTextSize(mLabelTextSize);



        mTextRect = new Rect();

    }



    @Override

    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

        setMeasuredDimension(measuredDimension(widthMeasureSpec), measuredDimension(heightMeasureSpec));

    }



    private int measuredDimension(int measureSpec) {

        int result;

        int mode = MeasureSpec.getMode(measureSpec);

        int size = MeasureSpec.getSize(measureSpec);

        if (mode == MeasureSpec.EXACTLY) {

            result = size;

        } else {

            result = 800;

            if (mode == MeasureSpec.AT_MOST) {

                result = Math.min(result, size);

            }

        }

        return result;

    }



    @Override

    protected void onDraw(Canvas canvas) {

        super.onDraw(canvas);

        mArcRectF.set(mArcWidth / 2, mArcWidth / 2, getWidth() - mArcWidth / 2, getHeight() - mArcWidth / 2);

        //画背景弧线

        canvas.drawArc(mArcRectF, -90, 360, false, mArcBackPaint);

        //设置渐变渲染

        LinearGradient linearGradient = new LinearGradient(getWidth() / 2, 0, getWidth() / 2, getHeight(), mColorArray, null, Shader.TileMode.CLAMP);

        mArcForePaint.setShader(linearGradient);

        //画百分比值弧线

        canvas.drawArc(mArcRectF, -90, mSweepAngle, false, mArcForePaint);

        //画刻度线

        for (int i = 0; i < mScaleCount; i++) {

            canvas.drawLine(getWidth() / 2, 0, getWidth() / 2, mArcWidth, mLinePaint);

            //旋转画布

            canvas.rotate(360 / mScaleCount, getWidth() / 2, getHeight() / 2);

        }

        //画百分比文本

        String progressText = mProgress + "%";

        mProgressTextPaint.getTextBounds(progressText, 0, progressText.length(), mTextRect);

        float progressTextWidth = mTextRect.width();

        float progressTextHeight = mTextRect.height();

        canvas.drawText(progressText, getWidth() / 2 - progressTextWidth / 2,

                getHeight() / 2 + progressTextHeight / 2, mProgressTextPaint);

        //画标签说明文本

        mLabelTextPaint.getTextBounds(mLabelText, 0, mLabelText.length(), mTextRect);

        canvas.drawText(mLabelText, getWidth() / 2 - mTextRect.width() / 2,

                getHeight() / 2 - progressTextHeight / 2 - mTextRect.height(), mLabelTextPaint);

    }



    public void setProgress(float progress) {

        Log.e("--> ", progress + "");

        ValueAnimator anim = ValueAnimator.ofFloat(mProgress, progress);

        anim.setDuration((long) (Math.abs(mProgress - progress) * 20));

        anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {

            @Override

            public void onAnimationUpdate(ValueAnimator animation) {

                mProgress = (float) animation.getAnimatedValue();

                mSweepAngle = mProgress * 360 / 100;

                mProgress = (float) (Math.round(mProgress * 10)) / 10;//四舍五入保留到小数点后两位

                invalidate();

            }

        });

        anim.start();

    }

}
